Texas Instruments MSP430x4xx Family, User Manual

Page: 517 / 871

USART Registers: UART Mode
17-25 USART Peripheral Interface, UART Mode
UxBR0, USART Baud Rate Control Register 0
7 6 5 4 3 2 1 0
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
rw rw rw rw rw rw rw rw
UxBR1, USART Baud Rate Control Register 1
7 6 5 4 3 2 1 0
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
rw rw rw rw rw rw rw rw
UxBRx The valid baud-rate control range is 3
≤
UxBR
<
0FFFFh, where
UxBR = {UxBR1+UxBR0}. Unpredictable receive and transmit timing
occurs if UxBR < 3.
UxMCTL, USART Modulation Control Register
7 6 5 4 3 2 1 0
m7 m6 m5 m4 m3 m2 m1 m0
rw rw rw rw rw rw rw rw
UxMCTLx Bits
7−0 Modulation bits. These bits select the modulation for BRCLK.